block car crossing flats houses junction lights Los Angeles office palms road summer sunshine traffic center medical tower bicycle bridge building Copenhagen Denmark HDR house Langebro Nyberg street sun sunset wire Arizona colorado river Glen Canyon metal river roadway rock steel transport usa above access accessible angles angular appearances architectural architecture barriers beams below bridging clouds cloudy concrete contrast contrasting deck decks distinctive double-decked elements expanse exterior external fishing fishing-deck lighting long open pedestrian-access pedestrians pier-columns railing rails strong support traffic-bridge vehicles water wide wood automobiles autos cars dusk evening freeway highway interstate pavement advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware black care careful caution communicating communication concern danger dangerous information informing lookout observant risk risks risky road-sign safety sign signs speed-reduction stop street-sign traffic-flow walk walkers walking warning warning-sign watch watch-out yellow ban banned entry forbidden no plate prohibited way autobahn automobile carriageway dual lanes lorry main major motorway route truck trunk